OpenAIText & chat
NotableNotable release: A meaningful new model: a new size or version, or a strong free-to-download model from a known lab.The archive
All releases
Every model release from the labs trckr follows, newest first: spotted live since November 2026, and from the archive back to 2018.
September 2025
August 2025
OpenAIText & chat
NotableNotable release: A meaningful new model: a new size or version, or a strong free-to-download model from a known lab.gpt-realtime
OpenAIText & chat
MajorMajor release: A new general-purpose AI model from a leading lab, the kind behind ChatGPT, Claude or Gemini: a new flagship or generation.GPT-5
OpenAIText & chat
MajorMajor release: A new general-purpose AI model from a leading lab, the kind behind ChatGPT, Claude or Gemini: a new flagship or generation.GPT-5 mini
OpenAIText & chat
MajorMajor release: A new general-purpose AI model from a leading lab, the kind behind ChatGPT, Claude or Gemini: a new flagship or generation.GPT-5 nano
OpenAIText & chat
MajorMajor release: A new general-purpose AI model from a leading lab, the kind behind ChatGPT, Claude or Gemini: a new flagship or generation.OpenOpen model: Its files are public (open weights), so anyone can download it and run it on their own computer, usually for free.gpt-oss
July 2025
OpenAIText & chat
NotableNotable release: A meaningful new model: a new size or version, or a strong free-to-download model from a known lab.ChatGPT agent
May 2025
OpenAIText & chat
NotableNotable release: A meaningful new model: a new size or version, or a strong free-to-download model from a known lab.o3 Operator
OpenAIText & chat
NotableNotable release: A meaningful new model: a new size or version, or a strong free-to-download model from a known lab.codex-mini
OpenAIText & chat
NotableNotable release: A meaningful new model: a new size or version, or a strong free-to-download model from a known lab.codex-1
April 2025
OpenAIText & chat
NotableNotable release: A meaningful new model: a new size or version, or a strong free-to-download model from a known lab.o4-mini
OpenAIText & chat
NotableNotable release: A meaningful new model: a new size or version, or a strong free-to-download model from a known lab.GPT-4.1 nano
OpenAIText & chat
NotableNotable release: A meaningful new model: a new size or version, or a strong free-to-download model from a known lab.GPT-4.1 mini
OpenAIText & chat
NotableNotable release: A meaningful new model: a new size or version, or a strong free-to-download model from a known lab.GPT-4.1
March 2025
OpenAIText & chat
MajorMajor release: A new general-purpose AI model from a leading lab, the kind behind ChatGPT, Claude or Gemini: a new flagship or generation.GPT-4o (Mar 2025)
OpenAIText & chat
MajorMajor release: A new general-purpose AI model from a leading lab, the kind behind ChatGPT, Claude or Gemini: a new flagship or generation.o1-pro
February 2025
OpenAIText & chat
MajorMajor release: A new general-purpose AI model from a leading lab, the kind behind ChatGPT, Claude or Gemini: a new flagship or generation.GPT-4.5
January 2025
OpenAIText & chat
MajorMajor release: A new general-purpose AI model from a leading lab, the kind behind ChatGPT, Claude or Gemini: a new flagship or generation.o3-mini
OpenAIText & chat
MajorMajor release: A new general-purpose AI model from a leading lab, the kind behind ChatGPT, Claude or Gemini: a new flagship or generation.GPT-4o (Jan 2025)
OpenAIText & chat
NotableNotable release: A meaningful new model: a new size or version, or a strong free-to-download model from a known lab.Computer-Using Agent (CUA)
December 2024
OpenAIText & chat
MajorMajor release: A new general-purpose AI model from a leading lab, the kind behind ChatGPT, Claude or Gemini: a new flagship or generation.o3
OpenAIText & chat
MajorMajor release: A new general-purpose AI model from a leading lab, the kind behind ChatGPT, Claude or Gemini: a new flagship or generation.o1
November 2024
OpenAIText & chat
MajorMajor release: A new general-purpose AI model from a leading lab, the kind behind ChatGPT, Claude or Gemini: a new flagship or generation.GPT-4o (Nov 2024)
September 2024
OpenAIText & chat
MajorMajor release: A new general-purpose AI model from a leading lab, the kind behind ChatGPT, Claude or Gemini: a new flagship or generation.o1-mini
OpenAIText & chat
MajorMajor release: A new general-purpose AI model from a leading lab, the kind behind ChatGPT, Claude or Gemini: a new flagship or generation.o1-preview
August 2024
OpenAIText & chat
MajorMajor release: A new general-purpose AI model from a leading lab, the kind behind ChatGPT, Claude or Gemini: a new flagship or generation.GPT-4o (Aug 2024)
July 2024
OpenAIText & chat
MajorMajor release: A new general-purpose AI model from a leading lab, the kind behind ChatGPT, Claude or Gemini: a new flagship or generation.GPT-4o mini
May 2024
OpenAIText & chat
MajorMajor release: A new general-purpose AI model from a leading lab, the kind behind ChatGPT, Claude or Gemini: a new flagship or generation.GPT-4o
April 2024
OpenAIText & chat
MajorMajor release: A new general-purpose AI model from a leading lab, the kind behind ChatGPT, Claude or Gemini: a new flagship or generation.GPT-4 Turbo (Apr 2024)
January 2024
OpenAIText & chat
NotableNotable release: A meaningful new model: a new size or version, or a strong free-to-download model from a known lab.